Bay luminaire



FIG. 1 is a bottom perspective view of an embodiment of the design;

FIG. 2 is a top perspective view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a bottom view of FIG. 1; and,

FIG. 5 is a top view of FIG. 1. 

CLAIM The ornamental design for a bay luminaire, as shown and described. 